<clickhouse>
    <users>
        <admin>
            <password></password>
            <profile>default</profile>
            <quota>default</quota>
            <grants>
                <query>GRANT admin_role</query>
            </grants>
        </admin>
    </users>
    <roles>
        <admin_role>
            <grants>
                <query>GRANT USE NAMED COLLECTION ON * WITH GRANT OPTION</query>
            </grants>
        </admin_role>
    </roles>
</clickhouse>
